12303101231123 has 4 divisors (see below), whose sum is σ = 12356826564240. Its totient is φ = 12249375898008.

The previous prime is 12303101231063. The next prime is 12303101231143. The reversal of 12303101231123 is 32113210130321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12303101231123 - 2¹⁸ = 12303100968979 is a prime.

It is a super-2 number, since 2×12303101231123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303101231143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26862666215 + ... + 26862666672.

It is an arithmetic number, because the mean of its divisors is an integer number (3089206641060).

Almost surely, 2^{12303101231123} is an apocalyptic number.

12303101231123 is a deficient number, since it is larger than the sum of its proper divisors (53725333117).

12303101231123 is an equidigital number, since it uses as much as digits as its factorization.

12303101231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53725333116.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12303101231123 its reverse (32113210130321), we get a palindrome (44416311361444).

The spelling of 12303101231123 in words is "twelve trillion, three hundred three billion, one hundred one million, two hundred thirty-one thousand, one hundred twenty-three".